The home side led by two at the break courtesy of an own goal from Alin Tosca and smart Sergi Roberto finish, and that was how it finished as the Catalan giants started their league season with a win.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
FCB: Ter Stegen; Semedo, Mascherano, Umtiti, Alba; Rakitic, Busquets, Roberto; Messi, Alcacer, Deulofeu
BETIS: Adan; Barragan, Mandi, Feddal, Tosca; Guardado, Camarasa, Narvaez; Joaquin, Leon, Nahuel
© Getty Images
2008 - Barca's last defeat in a season opener in La Liga came in Aug 2008 v Numancia, which was their 1st league game with Guardiola. Memory pic.twitter.com/1Eg6kUTIr0— OptaJose (@OptaJose) August 20, 2017